Measurements:
°C
°F
CURRENT WEATHER
20:26
Sanibel Island
86°F
SE 6 mph
Feels like: 94°F
Precip: 43%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

10.05
mon
DAY
90°F
N 9 mph
precip
15%
NIGHT
84°F
SW 11 mph
precip
20%
10.06
tue
DAY
86°F
N 7 mph
precip
38%
NIGHT
80°F
W 8 mph
precip
26%
10.07
wed
DAY
86°F
NE 7 mph
precip
60%
NIGHT
82°F
SW 8 mph
precip
26%
10.08
thu
DAY
88°F
N 9 mph
precip
17%
NIGHT
84°F
N 6 mph
precip
65%
10.09
fri
DAY
88°F
NW 9 mph
precip
15%
NIGHT
86°F
NW 10 mph
precip
8%
10.10
sat
DAY
90°F
NW 14 mph
precip
17%
NIGHT
86°F
N 9 mph
precip
35%
10.11
sun
DAY
88°F
N 13 mph
precip
53%
NIGHT
86°F
N 7 mph
precip
43%

Sanibel Island Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Sanibel Island was 27.5°F. The maximum and minimum values were 26.1°F and 29.4°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
April 18 days
December 17 days
The most warm months:
July 92.6 °F
August 92.6 °F
June 91.2 °F
Warmest sea temperature:
August 91.9 °F
July 91.5 °F
September 90.4 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
July 5 days
June 5 days
August 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph
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